package lqb;

public class Main {

    public static void main(String[] args) {

//        EmailTask emailTask = new EmailTask();
//        emailTask.execute();
//        emailTask.execute();

        XMLDataProcessor processor = new XMLDataProcessor();
        processor.processData(); // ✅ 正常调用
        // processor.fetchData(); ❌ 编译错误，外部代码无法访问 protected 方法

    }
}
